EP1334846B1 - Bead releasing and tire disassembling group in a tire assembling-disassembling machine - Google Patents

Bead releasing and tire disassembling group in a tire assembling-disassembling machine Download PDF

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Publication number
EP1334846B1
EP1334846B1 EP03001313A EP03001313A EP1334846B1 EP 1334846 B1 EP1334846 B1 EP 1334846B1 EP 03001313 A EP03001313 A EP 03001313A EP 03001313 A EP03001313 A EP 03001313A EP 1334846 B1 EP1334846 B1 EP 1334846B1
Authority
EP
European Patent Office
Prior art keywords
tire
arm
bead
wheel
rim
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP03001313A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1334846A3 (en
EP1334846A2 (en
Inventor
Tullio Gonzaga
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Butler Engineering and Marketing SpA
Original Assignee
Butler Engineering and Marketing SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Butler Engineering and Marketing SpA filed Critical Butler Engineering and Marketing SpA
Publication of EP1334846A2 publication Critical patent/EP1334846A2/en
Publication of EP1334846A3 publication Critical patent/EP1334846A3/en
Application granted granted Critical
Publication of EP1334846B1 publication Critical patent/EP1334846B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C25/00—Apparatus or tools adapted for mounting, removing or inspecting tyres
    • B60C25/01—Apparatus or tools adapted for mounting, removing or inspecting tyres for removing tyres from or mounting tyres on wheels
    • B60C25/05—Machines
    • B60C25/132—Machines for removing and mounting tyres
    • B60C25/135—Machines for removing and mounting tyres having a tyre support or a tool, movable along wheel axis
    • B60C25/138—Machines for removing and mounting tyres having a tyre support or a tool, movable along wheel axis with rotary motion of tool or tyre support
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C25/00—Apparatus or tools adapted for mounting, removing or inspecting tyres
    • B60C25/01—Apparatus or tools adapted for mounting, removing or inspecting tyres for removing tyres from or mounting tyres on wheels
    • B60C25/05—Machines
    • B60C25/125—Machines for only breaking the beads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C25/00—Apparatus or tools adapted for mounting, removing or inspecting tyres
    • B60C25/01—Apparatus or tools adapted for mounting, removing or inspecting tyres for removing tyres from or mounting tyres on wheels
    • B60C25/05—Machines
    • B60C25/132—Machines for removing and mounting tyres

Definitions

  • the present invention relates to a bead releasing and tire disassembling group for disassembling tires from wheel-rims, particularly for use in tire disassembling machines.
  • Tire disassembling machines provided with tools for fitting, bead releasing and removing tires from their wheel-rims for vehicles with relatively large tired wheels, such as earthworks vehicles, have been known and used for quite a long time.
  • Such tools are mounted e.g. at the end of an upright or "pole” rising from a carriage alternately displaceable in a direction parallel to the axis of rotation of the wheel-rim.
  • a tire disassembling machine for large tired vehicles generally comprises a base frame supporting two parallel overhanging arms suitable for being moved together, and away from, each other.
  • One arm supports a suitable engagement and support means for the wheel-rim, e.g. a self-centring assembly, whereas the other arm, which is generally telescopic, supports a tool assembling/disassembling a tire onto or from its respective wheel-rim.
  • the said carriage supports a suitable tool used in the assembling or disassembling operation and can be displaced on guides close to the wheel or wheel-rim.
  • a suitable tool used in the assembling or disassembling operation For example, should the operator disassemble a tire from a wheel-rim, after deflating the tire, he displaces the carriage to move it in front of a wheel face and positions the bead releasing tool arranged at the top of the upright carried by the carriage, by adjusting the position of the carriage and the length of the upright according to the size of the wheel-rim.
  • the tool preferably comprises a disk or roller substantially conical in shape that is supported free to rotate on the upright or mandrel about an axis inclined with respect to the longitudinal axis of the mandrel and has a rounded larger peripheral edge designed to abut against the tire; as well as a curved removing tool arranged to be diametrically opposite and close to the disk, so that by rotating the tool through 180°, either the disk or the removing tool can be brought to its working position.
  • the disk and the removing tool can also be mounted on two different uprights so that either of them can be brought to its working position.
  • the operator positions the carriage in such a way that the edge of the conical disk thrusts the tire-bead which, after setting in rotation the self-centring device, and thus the wheel, is forced progressively to detach or to be released from the peripheral delimiting edge of the wheel-rim.
  • the operator must then cause the carriage to be moved away from the wheel in order to allow the tool to rotate on itself through 180° to bring the removing tool to its working position.
  • a locking means is released which normally comprises a pin transversely fitted in a through hole formed in the upright and in the base of the tool, and the pin is to be inserted in position.
  • the bead on the second side or front of the tire is then released by acting in a way similar to that at the first front or side.
  • the tool is rotated to position the removing tool so as to be facing towards the tire, whereby proceeding with the removal also of the second bead which has just been released; after which the carriage must be moved away from the wheel-rim.
  • a machine according to the preamble of claim 1 is known from EP 0042 363.
  • the tool comprises the bead releasing disk and the removing tool arranged diametrically opposite to each other, it is relatively cumbersome. Normally the overall dimensions of the tool exceeds 30% of the width of the wheel, and thus adequate space must be provided to carry out the operations of assembling and disassembling a tired wheel. This means that, in order to operate on wheels of relatively large dimensions (with a diameter up to 1.5 m), and bearing in mind that it is necessary to operate on both sides of a wheel, the tire assembling/disassembling machine must allow the tool-supporting carriage to effect strokes more than 2 m long.
  • the main object of the present invention is to eliminate the shortcomings referred to above by providing a bead releasing and tire disassembling group designed to act on tires having relatively large dimensions to be assembled on, or disassembled from a wheel-rim fixed on a rotatable support, the group being suitable for reducing in number and simplifying the operations and the manoeuvres to be carried out by an operator, thereby allowing the operator to carry out the tire assembling, bead releasing and disassembling operations in an expeditious and effortless way.
  • Another object of the present invention is to provide a group with limited overall dimensions for assembling, bead releasing and disassembling a tire of relatively large size onto or from a wheel-rim fixed on a rotatable support, the group being thus advantageous both from the constructional and dimensional point of view.
  • a tire assembling, disassembling and bead releasing machine arranged to assemble a tire on, or disassemble it from a wheel-rim supported on a support mounted for rotation about an axis and having at least one carriage or slide displaceable on guides extending parallel to the axis of rotation of the wheel-rim, an arm or upright extending in a direction transverse to the said axis of rotation and having one end thereof supported by the said slide or carriage and its other end provided with a bead releasing tool having a bead releasing disk and a removing tool, characterised in that the said bead releasing tool and said removing tool can be positioned so as to have their a working edges or fronts facing towards the same side, and in that it comprises first driving means designed to cause said arm or upright to rotate about a longitudinal axis for positioning said bead releasing tool with respect to the sides of said tire, and second driving means designed to cause said arm to rotate about at least one axis transversely
  • a method of bead releasing and disassembling a tire from a wheel-rim mounted on a rotatable mandrel of a wheel disassembling machine having a carriage displaceable on guides parallel to the axis of rotation of the said wheel-rim, and arm extending from said carriage, a bead releasing disk and a removing tool carried by said arm and having their working fronts or edges that can be positioned to face towards the same side, characterised in that it comprises the following steps:
  • an assembly for bead releasing and removing group generally designated at 1, arranged to remove a tire 2 from its respective wheel-rim 3 removably fixed onto a mandrel, which is preferably a component of a self-centring assembly of a tire disassembling machine, not shown, in particular a tire disassembling machine for large tires, e.g. those for agricultural machinery, earthmoving machines and the like.
  • Tire disassembling machines for relatively large tires are normally provided with a carriage or slide 4 that is slidably mounted on a pair of guides 5 extending parallel to the axis of rotation of the wheel-rim 3 and thus of the mandrel or self-centring assembly.
  • An arm or upright 6 rises from carriage 4; which at its upper free end supports a tool comprising a freely rotating bead releasing disk 7 designed to release the beads of tire 2 from the edges of wheel-rim 3, and a removing tool 8 for removing the bead released from the wheel-rim.
  • the active front 107 and 108, respectively, of the bead releasing disk and of the removing tool are adjustable so as to be faced towards the same side of the tire.
  • the removing tool can be a curved removing tool pivoted in a position adjacent to the bead releasing roller or disk 7 (Fig. 2), so as to be angularly displaceable between a working position with its active front 108 facing towards the wheel-rim 3 and a rest position away from the working position, as disclosed in Italian patent application number VR99A00048 filed on 19.05.1999 (May 19, 1999) in the name of the applicant of the present invention.
  • the removing tool 8 can be a lengthening and shortening type (Fig. 1) and the removing tool is suitable for being lengthened and shortened between a working position and a rest position.
  • the removing tool is provided with driving means, e.g. a jack, a rack, or the like.
  • driving means e.g. a jack, a rack, or the like.
  • a tool of this type is described and illustrated in Italian patent application number VR2001A000124 filed on 22.11.2001 (November 22, 2001) in the name of the applicant of the present invention.
  • first driving means 9 is provided to control rotation of arm 6 about its longitudinal axis x-x, or about an axis parallel thereto, as well as second driving means 10 to control rotation of arm 6 about one or more transverse axes y-y, e.g. an axis normal to longitudinal axis x-x.
  • the combined action of the driving means 9 and 10 makes it possible to position the working edges or fronts 107 and 108 so as to be always facing towards tire 2 (preferably in a perfectly symmmetrical arrangement - Fig. 7) when arm 6 is displaced to one side or and to the other of the tire.
  • axes x-x and y-y extend substantially normal to each other and transverse axis y-y preferably intersects the base of arm 6.
  • the first driving means 9 designed to cause arm 6 to be rotated about axis x-x comprises a support sleeve 13 ( Figures 6 and 7) pivoted, as further described below, to the movable carriage 4, and a box-like receiving seat 14 that is rigidly secured to support 13 and in communication therewith.
  • a worm reduction unit 15 is housed comprising a transverse lead screw 16 mounted for rotation in the receiving seat 14, and a driven gear 17 having its axis coaxial with that of the support sleeve 13.
  • Gear 17 is rigid in rotation with the lower end 106 of arm or upright 6 which, in turn, is mounted for rotation in the support sleeve 13 and extends into seat 14.
  • the lower end 106 is part of an end portion shaped as a double crank or throow of the arm or upright 6 and extends parallel to arm 6 itself, whereby a rotation of the driven gear 17 results in a respective rotation of end 106 and in a displacement-rotation of arm 6 about the axis of rotation of gear 17 and end 106.
  • the lead screw member 16 can be controlled e.g. by an assembly 21 (Fig. 6) formed by a reversible electric motor and a reduction unit and is preferably supported by the receiving seat 14.
  • the lead scew member comprises a rack 18 that is slidingly mounted in the receiving seat 14 to be displaced to and fro by a linear actuator e.g. a double-acting cylinder and piston assembly 19 the cylinder of which constitutes the seat 14 itself.
  • a linear actuator e.g. a double-acting cylinder and piston assembly 19 the cylinder of which constitutes the seat 14 itself.
  • the driving means 10 arranged to cause the arm 6 to be rotated about axis "Y" comprises (Figs. 8 and 9) a motor-reduction unit 24 and a support housing 23, which is carried by the movable carriage 4 and accommodates the motor-reduction unit 24.
  • a output shaft 25 extends from the housing, is driven by a motor-reduction unit 24, and is fixed, e.g. welded, to the head of the support sleeve 13 so as to cause it to rotate about an axis y-y perpendicular to the longitudinal axis of sleeve 13.
  • sleeve 13 is supported, e.g. by a pair of lugs 13a, 13b one of which supports shaft 25 and the other a pin 13c arranged in axial alignment with shaft 25.
  • the arm or upright 6 (Figs 4 and 5) is preferably adjustable in length, e.g. it has two straight telescopic sections 6' and 6", one of which can be controlled by a linear actuator 26.
  • the linear actuator 26 comprises e.g. a cylinder 27 and piston 28 fluid operated assembly having one end, e.g. a portion of its cylinder 27, articulated at 27a to section 6', whereas its other end, i.e. that of its stem fixed to piston 28, is articulated at 29 to section 6", so that an extension or contraction of the assembly 27 results in a lengthening or shortening, respectively, of arm 6.
  • Figure 5 illustrates another embodiment of a linear actuator 26 comprising a rack 30 whose toothing is preferably formed directly on section 6" of arm 6, a pinion 31 mounted for rotation on section 6' and in meshing engagement with rack 30, and a motor-reduction unit, generally designated at 32, comprising e.g. a reversible electric motor and being supported by section 6'.
  • a linear actuator 26 comprising a rack 30 whose toothing is preferably formed directly on section 6" of arm 6, a pinion 31 mounted for rotation on section 6' and in meshing engagement with rack 30, and a motor-reduction unit, generally designated at 32, comprising e.g. a reversible electric motor and being supported by section 6'.
  • driving means 33 is provided designed to set in rotation arm 6 synchronously about the two axes x-x and y-y. More particularly, driving means 33 comprises a support structure 34 fixed to movable carriage 4 and a motor-reduction unit assembly 35 carried by the support structure 34.
  • the motor-reduction unit 35 has an output shaft 36 that is connected in a crank like fashion (90°) to the adjacent hollow end of the upright or arm 6 with the possibility of being rotated therein - Fig. 13.
  • a pair of bevel gears are provided for transmitting the lifting motion of arm 6 with respect to carriage or slide 4, which comprise two gears 40 and 41 in meshing engagement with each other, gear 40 being rigidly fixed to support structure 34 coaxially with output shaft 36 which crosses it and can freely rotate with respect thereto, whereas the second gear 41 is fixed (e.g. welded to an end thereof) and concentric to the hollow end portion of arm 6 and free to rotate with respect to crankshaft 36 inserted therein.
  • Gears 40 and 41 meshing with each other have toothings with a predetermined transmission ratio to cause a bidirectional composite movement of arm 6 with respect to tire 2 and wheel-rim 3, as diagrammatically shown in the sequence of Figure 14.
  • the movable carriage 4 is caused to be displaced to and fro in front of tire 2 along guides 5 by means of a linear actuator, e.g. comprising a double-acting jack 42.
  • a linear actuator e.g. comprising a double-acting jack 42.
  • a group 1 for bead releasing and disassembling a tire 2 from a respective wheel-rim 3 locked onto a self-centring device of a tire disassembling machine is quite simple.
  • actuator 42 causes the carriage 4 to be displaced to such an extent as to cause arm 6 and the active edges 107 of the bead releasing disk 7 to be displaced to one side, e.g. side 11, of tire 2 mounted on wheel-rim 3, from which it is to be disassembled.
  • the wheel-rim is mounted for rotation on a mandrel of a tire disassembling machine in such a way that the wheel-rim itself preferably lieson a substantially vertical plane, i.e. with itsrizontal axis of rotation, parallel to guides 5.
  • the bead releasing disk urges the tire bead to be released from the outer edge of the wheel-rim and to be flexed towards the inward raceway 203 of the wheel-rim.
  • the operator then sets in rotation the self-centring device supporting wheel-rim 3 in such a way as to allow the bead releasing tool 7 to take its bead releasing action to completion along the whole outer edge of the wheel-rim.
  • the operator controls the removing tool 208 to extend outwards (Fig. 1) or else he positions the removing tool against the bead removing tool 7 (Fig. 2) so that the removing tool can be urged, still under the action exerted by the actuator 42, to cause its own working edge 108 to be inserted between the outer edge of the wheel-rim 3 and the bead of tire 2 which is now fully released.
  • Carriage 4 is then slightly withdrawn whereby the bead engaged by edge 108 of the extracting tool 8 is dragged towards the outside of the wheel-rim 3, thus overtaking the adjacent outer edge thereof.
  • the operator sets once again in rotation the self-centring device supporting the wheel-rim 3 to such an extent that the removing tool 8 has completed its extracting or removing action along the whole circumference of the tire bead 2 that is thus completely removed or disassembled from wheel-rim 3.
  • both the motor-reduction unit 21 and the motor-reduction unit 24 are energized, preferably in a substantially synchronous way, to control rotation of arm 6 about the two perpendicular axes x-x and y-y.
  • Rotation of arm 6 about its own longitudinal axis x-x occurs owing to worm screw 16 or rack 18 which controls gear 17 or pinion 22 that is rigid in rotation with the lower end or base 106 of arm 6.
  • Rotation of arm 6 about axis y-y occurs due to the driving shaft 25 rigid in rotation with sleeve 13.
  • the combination of the two rotary movements and the synchronous displacement of the mobile carriage 4 along guides 5 for a stroke whose length is slightly greater than the width of tire 2 towards side 12, causes arm 2 to follow a path overtaking tire 2 with positioning at the same time of the working edges 107 and 108 of the bead releasing disk 7 and of the removing tool 8 facing the side 12 of tire 2.
  • the operator repeats the operating sequence followed at side 11 except for the extraction operation that, instead of being accomplished by traction of the second bead of the tire, is achieved by thrust onto it so that it is pushed to overtake the outer edge of the wheel-rim on side 11. More particularly, the transverse thrusting action exerted by the bead releasing disk 7 against the second bead of the tire 2 urges it inside the central raceway 203 of the wheel-rim 3 thereby causing it to become loose. In such a condition, removing tool 8 can be inserted with its active edge 108 between the tire bead and the edge of wheel-rim 3.
  • the transverse thrusting action is further prosecuted by the actuator 42, whilst the operator sets in rotation the self-centring device, thereby causing progressive removal of the second bead of tire 2 on side 11 of wheel-rim 3 from where the first bead was previously extracted or removed.
  • removing tool 8 acts as a slide chute and as a lever also of the second bead to overtake the peripheral edge 200, thus completing the disassembling of tire 2 from wheel-rim 3.
  • the bead releasing and tire disassembling group according to the present invention the further and necessary step of repositioning the removing tool 8 after each intervention of the bead releasing disk to position the removing tool so as to be facing tire 2, as it was instead necessary with the prior art bead releasing and tire disassembling assemblies.
  • Group 1 for bead releasing and disassembling a tire 2 from a wheel-rim 3 operates in a substantially similar way to that described above. Only the overtaking path with respect to tire 2 of arm 6 is different.
  • driving means 9 and 10 can be controlled by a control unit 910 (Fig. 9) designed to control their enabling/disabling sequence.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)
  • Tyre Moulding (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Automatic Assembly (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
EP03001313A 2002-02-12 2003-01-23 Bead releasing and tire disassembling group in a tire assembling-disassembling machine Expired - Lifetime EP1334846B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2002VR000013A ITVR20020013A1 (it) 2002-02-12 2002-02-12 Gruppo di stallonamento e smontaggio di pneumatici da cerchioni particolarmente per macchine smontagomme.
ITVR20020013 2002-02-12

Publications (3)

Publication Number Publication Date
EP1334846A2 EP1334846A2 (en) 2003-08-13
EP1334846A3 EP1334846A3 (en) 2003-12-10
EP1334846B1 true EP1334846B1 (en) 2006-10-25

Family

ID=27590503

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03001313A Expired - Lifetime EP1334846B1 (en) 2002-02-12 2003-01-23 Bead releasing and tire disassembling group in a tire assembling-disassembling machine

Country Status (9)

Country Link
US (1) US6880606B2 (enrdf_load_stackoverflow)
EP (1) EP1334846B1 (enrdf_load_stackoverflow)
JP (1) JP4185781B2 (enrdf_load_stackoverflow)
CN (1) CN1253325C (enrdf_load_stackoverflow)
AT (1) ATE343486T1 (enrdf_load_stackoverflow)
DE (1) DE60309224T2 (enrdf_load_stackoverflow)
ES (1) ES2274131T3 (enrdf_load_stackoverflow)
IT (1) ITVR20020013A1 (enrdf_load_stackoverflow)
PT (1) PT1334846E (enrdf_load_stackoverflow)

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EP1977913A1 (en) 2007-04-05 2008-10-08 Snap-on Equipment Srl a unico socio. Tyre changer apparatus

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US20040140059A1 (en) * 2003-01-17 2004-07-22 John Lewis Wagner Portable tire bead breaker
ITRE20030095A1 (it) * 2003-10-14 2005-04-15 Corghi Spa Dispositivo stallonatore per macchine smontagomme.
ITRE20040072A1 (it) * 2004-06-15 2004-09-15 Corghi Spa Dispositivo stallonatore
US7640963B2 (en) * 2006-10-06 2010-01-05 Android Industries Llc Tire/wheel bead entrapment remover
EP1931526B1 (en) * 2005-10-06 2011-01-26 Android Industries LLC Tire/wheel bead entrapment remover
US7343955B2 (en) * 2005-12-28 2008-03-18 Hennessy Industries, Inc. Tire changing machine
US7438109B2 (en) * 2005-12-30 2008-10-21 Hennessy Industries, Inc. Tire changer
ITMO20060274A1 (it) * 2006-09-08 2008-03-09 Giuliano Spa Gruppo stallonatore per macchine smontagomme
ITVR20070130A1 (it) * 2007-09-19 2009-03-20 Butler Eng & Marketing Testa a rullo stallonatore per una macchina monta-smontagomme
JP5478024B2 (ja) * 2008-03-19 2014-04-23 小野谷機工株式会社 タイヤ着脱装置のビードプレス装置
ITRE20080037A1 (it) * 2008-04-21 2009-10-22 Corghi Spa "macchina smontagomme e relativo metodo di stallonatura"
US8333228B1 (en) 2008-10-15 2012-12-18 Hennessy Industries, Inc. Tire changer with attached inflation cage
US8322007B2 (en) * 2009-03-12 2012-12-04 Butler Engineering & Marketing S.P.A. Load handling device
IT1395311B1 (it) * 2009-05-19 2012-09-05 Butler Eng & Marketing Gruppo stallonatore per macchina monta-smontagomme
JP5325026B2 (ja) * 2009-06-11 2013-10-23 小野谷機工株式会社 タイヤ着脱装置におけるツール伸縮・反転機構
US8443865B2 (en) * 2009-08-21 2013-05-21 Hennessy Industries, Inc. Wheel clamping apparatus and method
IT1396144B1 (it) * 2009-11-03 2012-11-16 Corghi Spa Dispositivo di sollevamento di un fianco inferiore di uno pneumatico, in una macchina smontagomme.
US8973640B1 (en) 2010-12-07 2015-03-10 Hunter Engineering Company Demount tool assembly and methods for automated tire changer machine
IT1403494B1 (it) * 2010-12-23 2013-10-17 Butler Eng & Marketing Dispositivo di smontaggio del secondo tallone di un pneumatico da un cerchione e relativo metodo di smontaggio
ITMO20130008A1 (it) * 2013-01-17 2014-07-18 Giuliano Group Spa Macchina per lo smontaggio ed il montaggio di pneumatici di ruote per veicoli
JP6357446B2 (ja) * 2015-05-26 2018-07-11 小野谷機工株式会社 タイヤ着脱方法
JP6484109B2 (ja) * 2015-05-26 2019-03-13 小野谷機工株式会社 タイヤ着脱装置
ITUB20153777A1 (it) * 2015-09-21 2017-03-21 Butler Eng And Marketing S P A Dispositivo di montaggio-smontaggio di un anello di supporto in o da un pneumatico, nonche' macchina comprendente tale dispositivo
CN106626999B (zh) * 2017-02-23 2018-10-30 南京工业职业技术学院 一种汽车轮胎拆装固定机
CN110834499A (zh) * 2018-08-17 2020-02-25 崇州市瑞杰汽修有限公司 一种便用式汽车轮胎更换装置
CN110126557B (zh) * 2019-05-23 2025-01-14 营口大力汽保设备科技有限公司 一种拆装机拆装下操作头装置
CN110667319B (zh) * 2019-10-09 2021-08-06 丁滕英 一种重型卡车轮胎拆卸装置
ES2955697T3 (es) * 2019-11-27 2023-12-05 Cemb S P A Dispositivo para montar y desmontar un neumático en y de una llanta
CN114872499A (zh) * 2022-06-10 2022-08-09 科维（营口）工业有限公司 压胎盘变位器及具有该压胎盘变位器的轮胎拆装机

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1977913A1 (en) 2007-04-05 2008-10-08 Snap-on Equipment Srl a unico socio. Tyre changer apparatus

Also Published As

Publication number Publication date
US20030150565A1 (en) 2003-08-14
PT1334846E (pt) 2007-01-31
DE60309224T2 (de) 2007-09-06
JP2003237332A (ja) 2003-08-27
EP1334846A3 (en) 2003-12-10
ATE343486T1 (de) 2006-11-15
JP4185781B2 (ja) 2008-11-26
EP1334846A2 (en) 2003-08-13
ES2274131T3 (es) 2007-05-16
CN1443664A (zh) 2003-09-24
US6880606B2 (en) 2005-04-19
CN1253325C (zh) 2006-04-26
DE60309224D1 (de) 2006-12-07
ITVR20020013A1 (it) 2003-08-12
HK1058026A1 (en) 2004-04-30

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